Among the questions "Who, What, Where, When, How, and Why," which may not initially produce verifiable evidence?

The question regarding "Who, What, Where, When, How, and Why" is essential in investigative practice as they guide the inquiry process. The answer that emphasizes "Why" as not initially producing verifiable evidence highlights a key aspect of the investigative process.

The nature of the "Why" question often delves into motivations, intentions, or reasoning behind actions, which are typically subjective and not directly observable or measurable. Unlike the other interrogatives, which can often be answered with factual data or concrete evidence (such as names, actions, locations, and timings), "Why" involves interpretation and requires further analysis to understand the context and motives of individuals.

For example, in a scenario involving a crime, one can identify who the suspect is, what they did, where and when it happened, and how the act was carried out. However, determining "Why" the suspect committed the act often demands psychological insights or personal narratives that may not be immediately evident or verifiable without additional evidence or testimony. Such motivations can only be inferred and are often supported rather than confirmed through evidence, making them less amenable to initial verification.

This aspect of "Why" places it in a unique category compared to the other question types, which are more